AirHint found the following cheapest return flights from Montreal (YUL) to San Jose (SJO) in January 2026 (see full year).

Return flights

20 Jan - 09 Feb	Avianca
27 Jan - 25 Feb	Avianca
23 Jan - 30 Jan	Avianca
19 Jan - 01 Feb	Avianca
23 Jan - 04 Feb	Avianca
25 Jan - 01 Feb	Avianca
03 Jan - 26 Jan	Avianca
20 Jan - 01 Feb	Avianca
21 Jan - 28 Jan	Avianca
03 Jan - 17 Jan	Avianca
13 Jan - 20 Jan	Avianca
17 Jan - 24 Jan	Avianca
10 Jan - 17 Jan	Avianca
20 Jan - 27 Jan	Avianca
22 Jan - 29 Jan	Avianca
24 Jan - 31 Jan	Avianca
28 Jan - 04 Feb	Air Transat
19 Jan - 02 Feb	Avianca
18 Jan - 11 Feb	Air Transat
30 Jan - 11 Feb	Air Transat

Also check the deals for one-way flights from Montreal to San Jose in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to San Jose in January from $333

Return flights